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PENSION PLANS (Details 2) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2012 | Dec. 31, 2011
--- | --- | ---
Level 1 |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | $ 17,002 | $ 16,404
Level 2 |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 6,524 | 6,155
Total |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 23,526 | 22,559
Money market accounts | Level 1 |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 1,488 | 1,869
Money market accounts | Total |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 1,488 | 1,869
Mutual funds | Level 1 |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 454 | 439
Mutual funds | Total |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 454 | 439
Government obligations | Level 2 |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 3,438 | 3,264
Government obligations | Total |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 3,438 | 3,264
Common stocks | Level 1 |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 5,795 | 5,376
Common stocks | Total |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 5,795 | 5,376
Exchange traded funds | Level 1 |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 9,018 | 8,494
Exchange traded funds | Total |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 9,018 | 8,494
Preferred stocks | Level 1 |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 247 | 226
Preferred stocks | Total |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 247 | 226
Corporate bonds and debentures | Level 2 |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | 3,086 | 2,891
Corporate bonds and debentures | Total |  |
Fair values of the defined benefit retirement plan, by asset category |  |
Fair value | $ 3,086 | $ 2,891

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- Definition Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 35 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=6867990&loc=d3e12355-114930 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 87 -Paragraph 49 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph d(iv)(b)(i) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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